28. b1b3 But Praggnanandhaa is very aware of his opponent's ideas and skillfully prevents them. 28... f5e4 The last chance is related to the maximum activity. 29. f1b1  29... e4f3  30. f4f5 Agent provocateur $1 Once more, Praggnanandhaa is extremely accurate. This pawn is a huge distractor that should have ruined the attacking setup of the black pieces.